F402026
Non-billable
Phobic anxiety disorders
F40 is a non-billable ICD-10-CM category (header) code for Phobic anxiety disorders; a more specific code below it is required for claims in the FY2026 code set.
Clinical Notes
Frequently Asked Questions
Not the code you're looking for?
Search our database of 94,000+ ICD-10 codes
Related MS-DRGs
30,935 Medicare hospitalizations across 1 DRG for codes in F40
Top DRGs associated with codes in this category:
Official Guidelines
Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders
Official coding guidelines for F01-F99